The answer to question why did each country wanted to go to war in the years before and during World War I.
wanted to be an independent nation --> Serbia
wanted to expand the nation’s territory in Europe --> Germany
wanted to seek revenge against those who had assassinated Archduke Franz Ferdinand --> Austria-Hungary
wanted to regain territory that the country lost in a previous war --> France
I have a picture that proves I am but I two parts of it wrong but in this answer it completely different
I hope this helps because I thought the answer I got here was right, and that's how got that answer in the picture.